Question

How do you find the unit vector in the direction of the given vector w=4j?

Answer 1

`hatvecj`

Explanation:

`" the unit vector of "vecu" is given by "hatvecu=vecu/|vecu|`

`vecw=4hatvecj`

`|vecw|=4`

`:hatvecw=1/4xx4hatvecj=hatvecj`